Pith Number

pith:XIJWZUHO

pith:2026:XIJWZUHOVRAMXG4HYE3FOWWHWD

not attested not anchored not stored refs pending

PEGRL: Improving Machine Translation by Post-Editing Guided Reinforcement Learning

Hao Zhou, Junlan Feng, Shujian Huang, Xin Huang, Xue Han, Yunzhi Shen

arxiv:2602.03352 v2 · 2026-02-03 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIJWZUHOVRAMXG4HYE3FOWWHWD}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Backtranslation Augmented Direct Preference Optimization for Neural Machine Translation

Receipt and verification

First computed	2026-05-20T00:04:24.119095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba136cd0eeac40cb9b87c136575ac7b0eda29eee296e6b2097e7325ad0324541

Aliases

arxiv: 2602.03352 · arxiv_version: 2602.03352v2 · doi: 10.48550/arxiv.2602.03352 · pith_short_12: XIJWZUHOVRAM · pith_short_16: XIJWZUHOVRAMXG4H · pith_short_8: XIJWZUHO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XIJWZUHOVRAMXG4HYE3FOWWHWD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ba136cd0eeac40cb9b87c136575ac7b0eda29eee296e6b2097e7325ad0324541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cee53c45dbb9d6ae6d8bf1545b0a1c0142dd80dfc8650ce461f9214283f2c7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-03T10:22:55Z",
    "title_canon_sha256": "c46dab859a6e8d16ed18f2e3a34a9c787cbd2d950c55f5e951a9971037142a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03352",
    "kind": "arxiv",
    "version": 2
  }
}